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Wed, 21 Jul 2010 13:27:28 +0200Wed, 21 Jul 2010 13:27:28 +0200Using the Sharp Operator for edge detection and nonlinear diffusionhttps://kluedo.ub.uni-kl.de/frontdoor/index/index/docId/2199
In this paper we investigate the use of the sharp function known from functional analysis in image processing. The sharp function gives a measure of the variations of a function and can be used as an edge detector. We extend the classical notion of the sharp function for measuring anisotropic behaviour and give a fast anisotropic edge detection variant inspired by the sharp function. We show that these edge detection results are useful to steer isotropic and anisotropic nonlinear diffusion filters for image enhancement.M. K. Ahmad; S. Didas; J. Iqbalreporthttps://kluedo.ub.uni-kl.de/frontdoor/index/index/docId/2199Wed, 21 Jul 2010 13:27:28 +0200